CN105589989A - Process model construction method and process model construction system - Google Patents
Process model construction method and process model construction system Download PDFInfo
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- CN105589989A CN105589989A CN201510735983.8A CN201510735983A CN105589989A CN 105589989 A CN105589989 A CN 105589989A CN 201510735983 A CN201510735983 A CN 201510735983A CN 105589989 A CN105589989 A CN 105589989A
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Abstract
The invention discloses a process model construction method and a process model construction system. The process model construction method comprises the following steps: establishing a corresponding process reference model by reading a design model; analyzing the process reference model, and determining finished surfaces requiring to carry out subsequent machining and a corresponding process sequence; determining the working procedure step allowance of each finished surface according to machining accuracy requirement and a cast forging manner; determining process characteristics related to a process model according to the process sequence and the working procedure step allowance of each finished surface; inserting working procedure step content nodes in a model tree, and associating the corresponding process characteristics so that a process planning tree is generated according to the forward process of the process sequence; and marking corresponding process information on the process planning tree so as to finish the construction of the process model. Quick construction of the process model is realized by using the process sequence and the working procedure step allowance of each finished surface, so that the method and the system can be applicable to construction of complicated blank part process models such as castings and forgings.
Description
Technical field
The present invention relates to three-dimensional process design field, particularly a kind of process modeling construction methodAnd system.
Background technology
Along with the development of IT application in enterprises, the design technology coordinate expression technology based on threedimensional model is slowThe traditional two-dimentional drawing expression way of slow replacement. Three-dimensional process for machining design mainly comprises technique mouldType structure, Process Planning, operation are content-defined, and process modeling builds and comprises reference model structureBuild, blank model build and adding technology feature. Forge piece structure and complex technical process, at presentDomestic not yet have a practical forge piece process modeling fast construction method.
There is at present a kind of construction method of dynamic 3 D process modeling, by setting up technique with reference to mouldType, generates blank model automatically, and the method for adding technology feature builds the process modeling of part. ByIn the time calculating blank model, need to calculate maximum appearance and size in the method, therefore be only applicable to blankModel is cuboid or columniform situation, can only solve plate class, axial workpiece blank modelAutomatically build, do not solve the process modeling Construct question of the complicated blank parts such as casting, forging.
Summary of the invention
The embodiment of the present invention provides a kind of process modeling construction method and system. By utilizing technique suitableThe operation work step surplus of order and each finished surface is determined the technology characteristics relevant to process modeling, fromAnd realize the rapid build of process modeling.
According to an aspect of the present invention, provide a kind of process modeling construction method, comprising:
Read and design a model, set up corresponding technique reference model;
Technique reference model is analyzed, determine need to carry out follow-up mach finished surface withAnd corresponding process sequence;
According to requirement on machining accuracy and casting forging mode, determine more than the operation work step of each finished surfaceAmount;
According to the operation work step surplus of process sequence and each finished surface, determine and process modeling phaseThe technology characteristics of closing;
In model tree, insert operation work step content node, and associated corresponding technology characteristics, to pressAccording to the forward process generating process code tree of process sequence;
On technological procedure tree, mark corresponding technique information, thereby complete the structure of process modeling.
In one embodiment, according to the operation work step surplus of process sequence and each finished surface,The step of determining the technology characteristics relevant to process modeling comprises:
For each finished surface, according to the reverse process of process sequence, on technique reference modelAdd successively corresponding operation work step surplus, until generate blank model;
According to the operation work step surplus of adding successively on technique reference model, determine and process modelingRelevant technology characteristics, and express technical process and technique according to the operation work step node of process modelingResource information.
In one embodiment, according to the operation work step surplus of process sequence and each finished surface,The step of determining the technology characteristics relevant to process modeling comprises:
On technique reference model, add the operation work step surplus being associated with each finished surface, with lifeBecome blank model;
For each finished surface, according to the forward process of process sequence, on blank model successivelyRemove corresponding operation work step surplus, until obtain technique reference model;
According to the operation work step surplus of removing successively on blank model, determine relevant to process modelingTechnology characteristics, and express technical process and process resource according to the operation work step node of process modelingInformation.
In one embodiment, on technological procedure tree, mark the step bag of corresponding technique informationDraw together:
Dimensioning, tolerance and relevant manufacturing information corresponding to operation on technological procedure tree.
In one embodiment, on technological procedure tree, mark after corresponding technique information, also comprise:
According to each node of process modeling, issue the technological procedure card of operation work step model node.
According to a further aspect in the invention, provide a kind of process modeling constructing system, comprise technique ginsengExamining model, to set up unit, technique reference model analytic unit, surplus determining unit, technology characteristics trueOrder unit, technological procedure tree generation unit and technique information mark unit, wherein:
Technique reference model is set up unit, designs a model, to set up corresponding technique ginseng for readingExamine model;
Technique reference model analytic unit, for technique reference model is analyzed, determines and needsCarry out follow-up mach finished surface and corresponding process sequence;
Surplus determining unit, for according to requirement on machining accuracy and casting forging mode, determines each addingThe operation work step surplus on work surface;
Technology characteristics determining unit, for the operation work step according to process sequence and each finished surfaceSurplus, determines the technology characteristics relevant to process modeling;
Technological procedure tree generation unit, for insert operation work step content node at model tree, andAssociated corresponding technology characteristics, so that according to the forward process generating process code tree of process sequence;
Technique information mark unit, for mark corresponding technique information on technological procedure tree, fromAnd complete the structure of process modeling.
In one embodiment, technology characteristics determining unit comprises surplus interpolation module and the first techniqueFeature determination module, wherein:
Surplus is added module, for for each finished surface, and according to the reverse process of process sequence,On technique reference model, add successively corresponding operation work step surplus, until generate blank model beOnly;
The first technology characteristics determination module, the work of adding successively on technique reference model for basisOrder work step surplus, determines the technology characteristics relevant to process modeling, and according to the operation of process modelingWork step node is expressed technical process and process resource information.
In one embodiment, technology characteristics determining unit also comprises blank model generation module, mouldType processing module and the second technology characteristics determination module, wherein:
Blank model generation module is relevant to each finished surface for adding on technique reference modelThe operation work step surplus of connection, to generate blank model;
Model processing modules, for for each finished surface, according to the forward process of process sequence,On blank model, remove successively corresponding operation work step surplus, until obtain technique reference model beOnly;
The second technology characteristics determination module, the operation work of removing successively on blank model for basisStep surplus, determines the technology characteristics relevant to process modeling, and according to the operation work step of process modelingNode is expressed technical process and process resource information.
In one embodiment, specifically label ruler on technological procedure tree of technique information mark unitVery little, tolerance and relevant manufacturing information corresponding to operation.
In one embodiment, said system also comprises code release unit, wherein:
Code release unit, corresponding for technique information mark unit mark on technological procedure treeAfter technique information, according to each node of process modeling, issue the technique of operation work step model nodeInstruction card.
The present invention is designed a model and is set up corresponding technique reference model by basis, to technique with reference to mouldType is analyzed, and determines need to carry out follow-up mach finished surface and corresponding technique is suitableOrder, according to requirement on machining accuracy and casting forging mode, determines more than the operation work step of each finished surfaceAmount, according to the operation work step surplus of process sequence and each finished surface, determines and process modeling phaseThe technology characteristics of closing, thus the rapid build of process modeling completed. Due to work involved in the present inventionSkill model construction scheme does not need to calculate the maximum appearance and size of blank, and therefore the present invention is not only suitableShould, in the structure of plate class, axial workpiece, also can be used in the technique of the complex parts such as casting, forgingModel construction.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below willAccompanying drawing to required use in embodiment or description of the Prior Art is briefly described, apparentGround, the accompanying drawing in the following describes is only some embodiments of the present invention, for the common skill in this areaArt personnel, are not paying under the prerequisite of creative work, can also obtain according to these accompanying drawingsObtain other accompanying drawing.
Fig. 1 is the schematic diagram of an embodiment of process modeling construction method of the present invention.
Fig. 2 is the schematic diagram of another embodiment of process modeling construction method of the present invention.
Fig. 3 is the schematic diagram of the another embodiment of process modeling construction method of the present invention.
Fig. 4 is the schematic diagram of an embodiment of shift fork part.
Fig. 5 a-Fig. 5 h is shift fork part process modeling schematic diagram.
Fig. 6 is the schematic diagram of an embodiment of technological procedure tree of the present invention.
Fig. 7 is the schematic diagram of an embodiment of process modeling constructing system of the present invention.
Fig. 8 is the schematic diagram of another embodiment of process modeling constructing system of the present invention.
Fig. 9 is the schematic diagram of the another embodiment of process modeling constructing system of the present invention.
Figure 10 is the schematic diagram of the another embodiment of process modeling constructing system of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present inventionBe clearly and completely described, obviously, described embodiment is only that the present invention's part is realExecute example, instead of whole embodiment. Real to the description of at least one exemplary embodiment belowOn border, be only illustrative, never as any limit to the present invention and application or useSystem. Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative laborThe every other embodiment obtaining under moving prerequisite, belongs to the scope of protection of the invention.
Unless illustrate in addition, otherwise the parts of setting forth in these embodiments and the phase of stepLayout, numeral expression formula and numerical value are not limited the scope of the invention.
, it should be understood that for convenience of description the chi of the various piece shown in accompanying drawing meanwhileVery little is not to draw according to actual proportionate relationship.
May not do in detail for the known technology of person of ordinary skill in the relevant, method and apparatusThin discussion, but in suitable situation, described technology, method and apparatus should be regarded as authorizing and sayA part for bright book.
In all examples with discussing shown here, any occurrence should be construed as merelyExemplary, instead of as restriction. Therefore, other example of exemplary embodiment can toolThere is different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore,Once be defined in an a certain Xiang Yi accompanying drawing, do not need it to carry out in accompanying drawing subsequentlyFurther discuss.
Fig. 1 is the schematic diagram of an embodiment of process modeling construction method of the present invention. As shown in Figure 1,The method step of the present embodiment comprises:
Step 101, reads and designs a model, and sets up corresponding technique reference model.
Step 102, analyzes technique reference model, determine need to carry out follow-up machFinished surface and corresponding process sequence.
Step 103, according to requirement on machining accuracy and casting forging mode, determines each finished surfaceOperation work step surplus.
Step 104, according to the operation work step surplus of process sequence and each finished surface, determine withThe technology characteristics that process modeling is relevant.
Step 105 is inserted operation work step content node in model tree, and associated corresponding technique spyLevy, so that according to the forward process generating process code tree of process sequence.
Step 106 marks corresponding technique information, thereby completes technique mould on technological procedure treeThe structure of type.
Preferably, relevant manufacture letter corresponding to dimensioning, tolerance and operation on technological procedure treeBreath.
The process modeling construction method providing based on the above embodiment of the present invention, by utilizing technique suitableThe operation work step surplus of order and each finished surface is determined the technology characteristics relevant to process modeling, fromAnd realize the rapid build of process modeling. Due to process modeling constructing plan involved in the present invention alsoDo not need to calculate the maximum appearance and size of blank, therefore the present invention is not only adapted to plate class, axle class zeroThe structure of part, the process modeling that also can be used in the complex parts such as casting, forging builds.
Preferably, on technological procedure tree, mark after corresponding technique information, also comprise:
According to each node of process modeling, issue the technological procedure card of operation work step model node.
In above-mentioned steps 104, more than the operation work step of process sequence and each finished surfaceAmount, determines that the step of the technology characteristics relevant from process modeling can adopt two kinds of different modesRealize. First kind of way is that the reverse process of adopting process order realizes, and the second way is to adoptRealize by the forward process of process sequence. Although two kinds of modes are different, the effect obtaining isIdentical. Below this is specifically described.
Fig. 2 is the schematic diagram of another embodiment of process modeling construction method of the present invention. This embodiment adoptsDetermine the technology characteristics relevant to process modeling by the reverse process of process sequence. Wherein:
Step 201, reads and designs a model, and sets up corresponding technique reference model.
Step 202, analyzes technique reference model, determine need to carry out follow-up machFinished surface and corresponding process sequence.
Step 203, according to requirement on machining accuracy and casting forging mode, determines each finished surfaceOperation work step surplus.
Step 204, for each finished surface, according to the reverse process of process sequence, in techniqueOn reference model, add successively corresponding operation work step surplus, until generate blank model.
Step 205, according to the operation work step surplus of adding successively on technique reference model, determinesThe technology characteristics relevant to process modeling, according to the operation work step node expression process mistake of process modelingJourney and process resource information.
Step 206 is inserted operation work step content node in model tree, and associated corresponding technique spyLevy, so that according to the forward process generating process code tree of process sequence.
Step 207 marks corresponding technique information, thereby completes technique mould on technological procedure treeThe structure of type.
Fig. 3 is the schematic diagram of the another embodiment of process modeling construction method of the present invention. This embodiment adoptsDetermine the technology characteristics relevant to process modeling by the forward process of process sequence. Wherein:
Step 301, reads and designs a model, and sets up corresponding technique reference model.
Step 302, analyzes technique reference model, determine need to carry out follow-up machFinished surface and corresponding process sequence.
Step 303, according to requirement on machining accuracy and casting forging mode, determines each finished surfaceOperation work step surplus.
Step 304 is added the operation work step being associated with each finished surface on technique reference modelSurplus, to generate blank model.
Step 305, for each finished surface, according to the forward process of process sequence, at blankOn model, remove successively corresponding operation work step surplus, until obtain technique reference model.
Step 306, according to the operation work step surplus of removing successively on blank model, determines and workThe technology characteristics that skill model is relevant, according to the operation work step node of process modeling express technical process andProcess resource information.
Step 307 is inserted operation work step content node in model tree, and associated corresponding technique spyLevy, so that according to the forward process generating process code tree of process sequence.
Step 308 marks corresponding technique information, thereby completes technique mould on technological procedure treeThe structure of type.
Below by concrete example, the present invention will be described. A kind of shift fork part as shown in Figure 4,Obviously more complicated compared with plate class, axial workpiece, if according to calculating maximum appearance and size in prior artMode be difficult to realize. Utilize the present invention can address this problem preferably.
Known by analyzing, in order to obtain the shift fork part shown in Fig. 4, the corresponding process sequence of employingAs shown in table 1.
| Process sequence | Technique | Respective figure |
| 10 | Blanking | Fig. 5 a |
| 20 | Milling aperture upper surface | Fig. 5 b |
| 30 | Milling lower surface | Fig. 5 c |
| 40 | Bore two lateral opening | Fig. 5 d |
| 50 | Rough mill top and bottom | Fig. 5 e |
| 60 | Milling centre bore and top and bottom | Fig. 5 f |
| 70 | Finish-milling centre bore | Fig. 5 g |
| 80 | Drill through hole | Fig. 5 h |
Table 1
Known according to table 1, from blank model, need multiple links just according to process sequenceCan obtain corresponding technique reference model. In the time of specific implementation, the present invention can adopting process orderForward process or the reverse process of process sequence carry out modeling. Below this is specifically saidBright.
One, the reverse process of adopting process order is carried out modeling
In the time that the reverse process of adopting process order is carried out modeling, for each finished surface, pressAccording to the reverse process of process sequence, on technique reference model, add successively more than corresponding operation work stepAmount, until generate blank model. According to the operation work of adding successively on technique reference modelStep surplus, determines the technology characteristics relevant to process modeling. In this manner, modeling order andCorresponding process sequence is as shown in table 2.
| Modeling order | Process sequence | Technique | Respective figure |
| 1 | 80 | Drill through hole | Fig. 5 h |
| 2 | 70 | Finish-milling centre bore | Fig. 5 g |
| 3 | 60 | Milling centre bore and top and bottom | Fig. 5 f |
| 4 | 50 | Rough mill top and bottom | Fig. 5 e |
| 5 | 40 | Bore two lateral opening | Fig. 5 d |
| 6 | 30 | Milling lower surface | Fig. 5 c |
| 7 | 20 | Milling aperture upper surface | Fig. 5 b |
| 8 | 10 | Blanking | Fig. 5 a |
Table 2
That is to say, in the time that the reverse process of adopting process order is carried out modeling, modeling orderWith process sequence antithesis, from technique reference model, reverse by according to process sequenceProcess is progressively added corresponding operation work step surplus, until obtain hair on technique reference modelTill mold type, determine thus the technology characteristics relevant to process modeling.
Two, the forward process of adopting process order is carried out modeling
In the time that the forward process of adopting process order is carried out modeling, first at technique reference modelOn basis, by determining each surface and corresponding operation work step surplus, fast structure that needs processingBuild blank model. Then on the basis of blank model, according to the forward process of process sequence, pinTo each finished surface, on blank model, remove successively corresponding operation work step surplus, untilTill technique reference model, thereby determine the technology characteristics relevant to process modeling. This sideUnder formula, modeling order and corresponding process sequence are as shown in table 3.
| Modeling order | Process sequence | Technique | Respective figure |
| 1 | 10 | Blanking | Fig. 5 a |
| 2 | 20 | Milling aperture upper surface | Fig. 5 b |
| 3 | 30 | Milling lower surface | Fig. 5 c |
| 4 | 40 | Bore two lateral opening | Fig. 5 d |
| 5 | 50 | Rough mill top and bottom | Fig. 5 e |
| 6 | 60 | Milling centre bore and top and bottom | Fig. 5 f |
| 7 | 70 | Finish-milling centre bore | Fig. 5 g |
| 8 | 80 | Drill through hole | Fig. 5 h |
Table 3
That is to say, in the time that the forward process of adopting process order is carried out modeling, modeling order withProcess sequence is consistent, from blank model, and by the forward process according to process sequence,On blank model, progressively remove corresponding operation work step surplus, until obtain technique reference model beOnly, determine thus the technology characteristics relevant to process modeling.
Known by above-mentioned analysis, in the time carrying out modeling, both can adopting process reverse mistake sequentiallyJourney, also can adopting process the reverse process of order, no matter adopt which kind of mode, the technique obtainingCode tree is identical, as shown in Figure 6.
Fig. 7 is the schematic diagram of an embodiment of process modeling constructing system of the present invention. As shown in Figure 7,This system can comprise technique reference model set up unit 701, technique reference model analytic unit 702,Surplus determining unit 703, technology characteristics determining unit 704, technological procedure tree generation unit 705With technique information mark unit 706. Wherein:
Technique reference model is set up unit 701, designs a model, to set up corresponding work for readingSkill reference model.
Technique reference model analytic unit 702, for technique reference model is analyzed, determinesNeed to carry out follow-up mach finished surface and corresponding process sequence.
Surplus determining unit 703, for according to requirement on machining accuracy and casting forging mode, determines everyThe operation work step surplus of individual finished surface.
Technology characteristics determining unit 704, for according to the operation of process sequence and each finished surfaceWork step surplus, determines the technology characteristics relevant to process modeling.
Technological procedure tree generation unit 705, for insert operation work step content node at model tree,And associated corresponding technology characteristics, so that according to the forward process generating process code tree of process sequence.
Technique information mark unit 706, for mark corresponding technique information on technological procedure tree,Thereby complete the structure of process modeling.
Preferably, specifically dimensioning, public affairs on technological procedure tree of technique information mark unit 706Difference and relevant manufacturing information corresponding to operation.
The process modeling constructing system providing based on the above embodiment of the present invention, by utilizing technique suitableThe operation work step surplus of order and each finished surface is determined the technology characteristics relevant to process modeling, fromAnd realize the rapid build of process modeling. Due to process modeling constructing plan involved in the present invention alsoDo not need to calculate the maximum appearance and size of blank, therefore the present invention is not only adapted to plate class, axle class zeroThe structure of part, the process modeling that also can be used in the complex parts such as casting, forging builds.
Fig. 8 is the schematic diagram of another embodiment of process modeling constructing system of the present invention. Shown in Fig. 7Embodiment compares, and in the embodiment shown in fig. 8, system also comprises code release unit 801. ItsIn:
Code release unit 801 marks phase for technique information mark unit on technological procedure treeAfter the technique information of answering, according to each node of process modeling, issue operation work step model nodeTechnological procedure card.
Preferably, technology characteristics determining unit 704 can adopting process forward process or work sequentiallyThe reverse process of skill order is processed.
Fig. 9 is the schematic diagram of the another embodiment of process modeling constructing system of the present invention. At this embodimentIn, the reverse process of technology characteristics determining unit 704 adopting process orders is processed. With figure7 compare with embodiment illustrated in fig. 8, and in Fig. 9, technology characteristics determining unit 704 is furtherComprise surplus interpolation module 901 and the first technology characteristics determination module 902. Wherein:
Surplus is added module 901, for for each finished surface, and reverse according to process sequenceProcess is added successively corresponding operation work step surplus on technique reference model, until generate blankTill model.
Technology characteristics determination module 902, the work of adding successively on technique reference model for basisOrder work step surplus, determines the technology characteristics relevant to process modeling, and according to the operation of process modelingWork step node is expressed technical process and process resource information.
In this embodiment, corresponding modeling order and process sequence are as shown in table 2.
Figure 10 is the schematic diagram of the another embodiment of process modeling constructing system of the present invention. In this enforcementIn example, technology characteristics determining unit 704 also can adopting process forward process sequentially be processed.Compared with embodiment illustrated in fig. 9, in Figure 10, technology characteristics determining unit 704 is further wrappedDraw together blank model generation module 1001, model processing modules 1002 and the second technology characteristics and determine mouldPiece 1003. Wherein:
Blank model generation module 1001, for adding and each processing table on technique reference modelThe operation work step surplus that face is associated, to generate blank model.
Model processing modules 1002, for for each finished surface, according to process sequence justTo process, on blank model, remove successively corresponding operation work step surplus, until obtain technique ginsengTill examining model.
The second technology characteristics determination module 1003, removes on blank model successively for basisOperation work step surplus, determines the technology characteristics relevant to process modeling, and according to the work of process modelingOrder work step node is expressed technical process and process resource information.
In this embodiment, corresponding modeling order and process sequence are as shown in table 3.
By implementing the present invention, by utilizing more than the operation work step of process sequence and each finished surfaceAmount, can carry out quick structure to the process modeling of the complicated blank part such as such as casting, forging easilyBuild.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodimentSuddenly can complete by hardware, also can carry out the hardware that instruction is relevant by program and complete, instituteThe program of stating can be stored in a kind of computer-readable recording medium, and the above-mentioned storage of mentioning is situated betweenMatter can be read-only storage, disk or CD etc.
Description of the invention provides for example with for the purpose of describing, and is not exhaustivelyOr limit the invention to disclosed form. Many modifications and variations are for the common skill of this areaArt personnel are obvious. Selecting and describing embodiment is for better explanation principle of the present inventionAnd practical application, thereby and to make those of ordinary skill in the art can understand the present invention design suitableIn the various embodiment with various amendments of special-purpose.
Claims (10)
1. a process modeling construction method, is characterized in that, comprising:
Read and design a model, set up corresponding technique reference model;
Technique reference model is analyzed, determine need to carry out follow-up mach finished surface withAnd corresponding process sequence;
According to requirement on machining accuracy and casting forging mode, determine more than the operation work step of each finished surfaceAmount;
According to the operation work step surplus of process sequence and each finished surface, determine and process modeling phaseThe technology characteristics of closing;
In model tree, insert operation work step content node, and associated corresponding technology characteristics, to pressAccording to the forward process generating process code tree of process sequence;
On technological procedure tree, mark corresponding technique information, thereby complete the structure of process modeling.
2. method according to claim 1, is characterized in that,
According to the operation work step surplus of process sequence and each finished surface, determine and process modeling phaseThe step of the technology characteristics of closing comprises:
For each finished surface, according to the reverse process of process sequence, on technique reference modelAdd successively corresponding operation work step surplus, until generate blank model;
According to the operation work step surplus of adding successively on technique reference model, determine and process modelingRelevant technology characteristics, and express technical process and technique according to the operation work step node of process modelingResource information.
3. method according to claim 1, is characterized in that,
According to the operation work step surplus of process sequence and each finished surface, determine and process modeling phaseThe step of the technology characteristics of closing comprises:
On technique reference model, add the operation work step surplus being associated with each finished surface, with lifeBecome blank model;
For each finished surface, according to the forward process of process sequence, on blank model successivelyRemove corresponding operation work step surplus, until obtain technique reference model;
According to the operation work step surplus of removing successively on blank model, determine relevant to process modelingTechnology characteristics, and express technical process and process resource according to the operation work step node of process modelingInformation.
4. according to the method described in any one in claim 1-3, it is characterized in that,
The step that marks corresponding technique information on technological procedure tree comprises:
Dimensioning, tolerance and relevant manufacturing information corresponding to operation on technological procedure tree.
5. according to the method described in any one in claim 1-3, it is characterized in that,
On technological procedure tree, mark after corresponding technique information, also comprise:
According to each node of process modeling, issue the technological procedure card of operation work step model node.
6. a process modeling constructing system, is characterized in that, comprises the foundation of technique reference modelUnit, technique reference model analytic unit, surplus determining unit, technology characteristics determining unit, workSkill code tree generation unit and technique information mark unit, wherein:
Technique reference model is set up unit, designs a model, to set up corresponding technique ginseng for readingExamine model;
Technique reference model analytic unit, for technique reference model is analyzed, determines and needsCarry out follow-up mach finished surface and corresponding process sequence;
Surplus determining unit, for according to requirement on machining accuracy and casting forging mode, determines each addingThe operation work step surplus on work surface;
Technology characteristics determining unit, for the operation work step according to process sequence and each finished surfaceSurplus, determines the technology characteristics relevant to process modeling;
Technological procedure tree generation unit, for insert operation work step content node at model tree, andAssociated corresponding technology characteristics, so that according to the forward process generating process code tree of process sequence;
Technique information mark unit, for mark corresponding technique information on technological procedure tree, fromAnd complete the structure of process modeling.
7. system according to claim 6, is characterized in that, technology characteristics determining unitComprise surplus interpolation module and the first technology characteristics determination module, wherein:
Surplus is added module, for for each finished surface, and according to the reverse process of process sequence,On technique reference model, add successively corresponding operation work step surplus, until generate blank model beOnly;
The first technology characteristics determination module, the work of adding successively on technique reference model for basisOrder work step surplus, determines the technology characteristics relevant to process modeling, and according to the operation of process modelingWork step node is expressed technical process and process resource information.
8. system according to claim 7, is characterized in that, technology characteristics determining unitAlso comprise blank model generation module, model processing modules and the second technology characteristics determination module, itsIn:
Blank model generation module is relevant to each finished surface for adding on technique reference modelThe operation work step surplus of connection, to generate blank model;
Model processing modules, for for each finished surface, according to the forward process of process sequence,On blank model, remove successively corresponding operation work step surplus, until obtain technique reference model beOnly;
The second technology characteristics determination module, the operation work of removing successively on blank model for basisStep surplus, determines the technology characteristics relevant to process modeling, and according to the operation work step of process modelingNode is expressed technical process and process resource information.
9. according to the system described in any one in claim 6-8, it is characterized in that,
Technique information mark unit is dimensioning, tolerance and operation correspondence on technological procedure tree specificallyRelevant manufacturing information.
10. according to the system described in any one in claim 6-8, it is characterized in that, also compriseCode release unit, wherein:
Code release unit, corresponding for technique information mark unit mark on technological procedure treeAfter technique information, according to each node of process modeling, issue the technique of operation work step model nodeInstruction card.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113500456A (en) * | 2021-07-24 | 2021-10-15 | 大连长丰实业总公司 | Method for quickly establishing datum for aviation special-shaped part machined through numerical control milling |
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